Home / 20,571.04-30,796.08-12,754.72

Finding the Fourth Proportional to 20,571.04, 30,796.08 and 12,754.72

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Solution

The fourth proportional to 20,571.04, 30,796.08 and 12,754.72 is: 19,094.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,571.04 : 30,796.08 = 12,754.72 : x
  2. Step 2: Convert to fraction form
    20,571.04/30,796.08 = 12,754.72/x
  3. Step 3: Cross multiply
    20,571.04x = 30,796.08 × 12,754.72
  4. Step 4: Simplify right side
    20,571.04x = 392,795,377.50
  5. Step 5: Solve for x
    x = 392,795,377.50/20,571.04
  6. Step 6: Final answer
    x = 19,094.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.